php72-mbstring, php72-odbc and php72-simplexml: Fix broken patches

Through the MFH from 7.2.10 to 7.2.13 whitespace-only changes in the patches
were not covered and broke the build. Adjust all patches accordingly to
unbreak the build.

PR: 234220 234218
Submitted by: <wolfgang@lyxys.ka.sub.org>
Approved by: portmgr (blanket)